EP1533590A1 - Obus explosif ayant une tenue aux chocs améliorée - Google Patents
Obus explosif ayant une tenue aux chocs améliorée Download PDFInfo
- Publication number
- EP1533590A1 EP1533590A1 EP04292486A EP04292486A EP1533590A1 EP 1533590 A1 EP1533590 A1 EP 1533590A1 EP 04292486 A EP04292486 A EP 04292486A EP 04292486 A EP04292486 A EP 04292486A EP 1533590 A1 EP1533590 A1 EP 1533590A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shell
- ring
- explosive
- envelope
- explosive charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002360 explosive Substances 0.000 title claims abstract description 50
- 230000035939 shock Effects 0.000 title description 2
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 230000037452 priming Effects 0.000 claims description 6
- 239000013536 elastomeric material Substances 0.000 claims 1
- 238000011068 loading method Methods 0.000 description 10
- 238000005266 casting Methods 0.000 description 9
- 230000000977 initiatory effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241000497429 Obus Species 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 description 1
- SPSSULHKWOKEEL-UHFFFAOYSA-N 2,4,6-trinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O SPSSULHKWOKEEL-UHFFFAOYSA-N 0.000 description 1
- 239000000028 HMX Substances 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- UZGLIIJVICEWHF-UHFFFAOYSA-N octogen Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)CN([N+]([O-])=O)C1 UZGLIIJVICEWHF-UHFFFAOYSA-N 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000015 trinitrotoluene Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/02—Fuze bodies; Fuze housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B30/00—Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
- F42B30/08—Ordnance projectiles or missiles, e.g. shells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
- F42B39/24—Shock-absorbing arrangements in packages, e.g. for shock waves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/04—Protective caps
Definitions
- the technical field of the invention is that of shells explosives.
- Explosive shells typically include a cargo cast explosive arranged in a metal casing.
- the envelope has an opening for casting loading. This opening is also intended to receive a rocket allowing the initiation of loading.
- the shells must be able to be used in important temperature ranges (between - 46 ° C and + 63 ° VS). These important variations induce dilations not negligible amount of explosive millimeters (2 to 5 mm). In addition, the shells are subject to severe mechanical environments (falls and vibrations).
- Patent EP1338860 discloses a shell comprising a loading in composite explosive.
- this shell includes a bag-shaped case made of a material elastic, holster that is interposed between the shell of the shell and loading.
- a holding washer is applied to a surface of the explosive charge by the screwing a ring fixing the rocket.
- the invention relates to an explosive shell comprising a mergeable explosive charge arranged in an envelope with an opening, shells comprising a means of wedging disposed in the vicinity of the opening of the shell, a wedging means comprising a ring made in one elastic material and which is interposed between a part before the shell of the shell and the explosive charge, ring which is compressed by compression means, shells characterized in that the wedging ring has a collar that fits into a throat of the envelope of the shell.
- the means of compression comprises a connection piece screwed into the opening of the shell and which exerts a constraint of compression on the setting ring.
- the compression means will advantageously comprise a washer interposed between the connecting piece and the timing ring.
- the setting ring may have an axial bore cylindrical and an external profile matching the profile internal envelope.
- the shell may include a priming tablet arranged in the cylindrical axial bore of the setting ring.
- the setting ring will be made of a material elastomer.
- an explosive shell 1 according to the invention comprises an explosive charge 2 mergeable and which is cast inside a metal shell 3.
- the loading may contain trinitrotoluene wax and a complementary explosive such as Hexogen or Octogen. It may also include an explosive not very sensitive, such as oxynitrotriazole (ONTA).
- ONTA oxynitrotriazole
- the envelope 3 has a opening 4 which will have a tapping 5 for fixing subsequent firing rocket (not shown).
- this shell comprises a means of blocking the explosive charge 2 which is disposed in the vicinity of the opening 4 of the shell.
- This locking means comprises a ring 6 which is made in an elastic material and which is interposed between a front part 7 of the envelope 3 of the shell and the loading explosive 2.
- This wedging ring is made of a material elastomer, chemically compatible with the explosive 2, and having a good resistance to aging. We will be able example to make the ring in a hardness silicone rubber 45 Shore.
- Figure 2 shows the ring 6 alone. She presents a conical outer profile 6a which is intended to come to marry the internal profile 7 of the envelope 3. It also comprises a axial bore 6b cylindrical which allows the loading of the shell 1 by casting and after setting up the ring 6.
- the wedging ring 6 finally has a collar cylindrical outer 6c which is intended to be housed in a 8 throat of the envelope 3 of the shell 1.
- the flexibility of the material of the ring 6 allows its manual introduction, by elastic deformation, into the opening 4 of the shell 1 and before the casting of the load 2.
- the flange 6c is introduced into the groove 8 and ensures the maintenance of the ring 6 relative to the shell 1 before the casting of the load 2.
- the explosive charge is poured up to back to inside the axial bore 6b.
- the ring 6 is interposed between the explosive 2 and the inner wall 7 of the envelope 3.
- This washer 9 has an external diameter less than inner diameter of the opening 4 and has a flange 9a which is positioned in the axial bore 6b of the Ring.
- the connecting piece 10 and the washer 9 constitute means for compressing the ring 6.
- This means allows to exercise permanently and reversible a compressive stress on the ring of setting 6 throughout the entire temperature range of the shell (from -46 ° C to + 63 ° C).
- the ring 6 transmits this explosive charge constraint 2 which is therefore also maintained.
- This maintenance makes it possible to avoid the appearance of defects or cracks, especially during rough handling operations lowest temperatures.
- the connecting piece 10 has an internal bore 11 which allows the fixation of a rocket (not shown).
- the shell is here represented in its configuration of storage in which a transport ring 12 is screwed to the connecting piece 10 instead of the rocket.
- the connecting piece 10 has a bottom 13 which isolates the explosive charge 2 from moisture. This background will be broken during the initiation of the rocket. he will have a circular initiation of rupture allowing the projection of part of the bottom on the explosive charge 2 to allow it to boot.
- Figure 4 shows another embodiment of a shell according to the invention.
- This mode differs from the previous one in that one tablet 14 is disposed in the cylindrical axial bore 6b of the timing ring 6.
- This tablet is intended to come facilitate the priming of the explosive charge 2 from the rocket (not shown).
- Such a tablet is conventional and its composition (which depends on the nature of the explosive charge) is not the subject of the present invention.
- the priming tablet is glued to explosive charge.
- the glue at the interface compressed / loaded causes poor transmission of the detonation. If the tablet is not stuck, there is a risk that elsewhere to move around when handling the shell and to deteriorate by crumbling.
- the compression of the ring 6 by screwing the connecting piece 10 causes a radial expansion of the ring 6 which translates also by reducing the diameter of its bore 6b. More of the setting of the explosive charge 2, the ring 6 then ensures the firm maintenance of the priming tablet 14 in contact with the explosive charge 2.
- This embodiment also makes it easier to demilitarization of shells at the end of their life. It is enough unscrew the connecting piece 10.
- the timing ring 6 then releases the priming tablet 14 which can easily be removed.
- the explosive charge 2 which has been implemented by casting is mergeable and it is then easily removed from the shell by heating.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Toys (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
- la figure 1 représente en coupe longitudinale partielle une partie avant d'un obus selon l'invention après la coulée de l'explosif et avant la mise en place de la pièce de raccordement,
- la figure 2 est une vue de la bague de calage seule,
- la figure 3 représente ce même obus après fixation d'une pièce de raccordement destinée à recevoir une fusée,
- la figure 4 est analogue à la figure 3 mais représente un obus suivant un autre mode de réalisation de l'invention.
Claims (6)
- Obus explosif (1) comprenant un chargement explosif (2) fusionnable disposé dans une enveloppe (3) comportant une ouverture (4), obus comprennant un moyen de calage (6) disposé au voisinage de l'ouverture (4) de l'obus (1), moyen de calage comprenant une bague (6) réalisée en un matériau élastique et qui est interposée entre une partie avant de l'enveloppe (3) de l'obus et le chargement explosif (2), bague qui est comprimée par un moyen de compression (9,10), obus caractérisé en ce que la bague de calage (6) comporte une collerette (6c) qui se loge dans une gorge (8) de l'enveloppe (3) de l'obus (1).
- Obus explosif selon la revendication 1, caractérisé en ce que le moyen de compression comprend une pièce de raccordement (10) vissée dans l'ouverture (4) de l'obus (1) et qui exerce une contrainte de compression sur la bague de calage (6).
- Obus explosif selon la revendication 2, caractérisé en ce que le moyen de compression comprend une rondelle (9) interposée entre la pièce de raccordement (10) et la bague de calage (6).
- Obus explosif selon une des revendications 1 à 3, caractérisé en ce que la bague de calage (6) présente un alésage axial (6b) cylindrique ainsi qu'un profil externe (6a) épousant le profil interne (7) de l'enveloppe (3).
- Obus explosif selon la revendication 4, caractérisé en ce qu'il comprend un comprimé d'amorçage (14) disposé dans l'alésage axial cylindrique (6b) de la bague de calage (6).
- Obus explosif selon une des revendications 1 à 5, caractérisé en ce que la bague de calage (6) est réalisée en un matériau élastomère.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04292486T PL1533590T3 (pl) | 2003-11-17 | 2004-10-20 | Pocisk burzący mający poprawioną odporność na wstrząsy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0313523 | 2003-11-17 | ||
FR0313523A FR2862378B1 (fr) | 2003-11-17 | 2003-11-17 | Obus explosif ayant une tenue aux chocs amelioree |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1533590A1 true EP1533590A1 (fr) | 2005-05-25 |
EP1533590B1 EP1533590B1 (fr) | 2012-06-20 |
Family
ID=34430017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04292486A Expired - Lifetime EP1533590B1 (fr) | 2003-11-17 | 2004-10-20 | Obus explosif ayant une tenue aux chocs améliorée |
Country Status (10)
Country | Link |
---|---|
US (1) | US7174834B2 (fr) |
EP (1) | EP1533590B1 (fr) |
AU (1) | AU2004226912B8 (fr) |
CA (1) | CA2484782C (fr) |
DK (1) | DK1533590T3 (fr) |
ES (1) | ES2389652T3 (fr) |
FR (1) | FR2862378B1 (fr) |
NO (1) | NO338258B1 (fr) |
PL (1) | PL1533590T3 (fr) |
ZA (1) | ZA200408928B (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2924494A1 (fr) | 2007-12-03 | 2009-06-05 | Nexter Munitions Sa | Procede de dechargement d'un corps de munition et outillage permettant la mise en oeuvre de ce procede |
CN101592462B (zh) * | 2009-07-02 | 2014-04-16 | 蒙宝林 | 工业粉状炸药药筒装药包装工艺及振动式装药机 |
EP3267143B1 (fr) | 2016-07-09 | 2019-03-06 | Diehl Defence GmbH & Co. KG | Projectile |
CN110030884A (zh) * | 2019-04-08 | 2019-07-19 | 南京理工大学 | 一种分体式可快速连接的迫击炮弹及其组装方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9459080B2 (en) | 2013-03-15 | 2016-10-04 | Hunting Titan, Inc. | Venting system for a jet cutter in the event of deflagration |
KR101399149B1 (ko) * | 2014-01-28 | 2014-05-27 | 최홍준 | 탄약보관통 |
KR101929667B1 (ko) * | 2017-06-14 | 2018-12-14 | (주)수아 | 둔감 성능이 향상된 고폭탄용 운반고리 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365556A (en) * | 1980-10-06 | 1982-12-28 | The United States Of America As Represented By The Secretary Of The Army | Method and system for preventing base separation of cast explosives in projectiles |
US4760795A (en) * | 1985-10-22 | 1988-08-02 | Royal Ordnance Plc | Explosive projectiles |
US4945834A (en) * | 1985-10-22 | 1990-08-07 | Royal Ordnance Plc | Explosive projectiles |
DE3929020A1 (de) * | 1989-09-01 | 1991-03-21 | Diehl Gmbh & Co | Zuender fuer die sprengladung eines splittergeschosses |
EP1338860A2 (fr) * | 2002-02-21 | 2003-08-27 | Rheinmetall W & M GmbH | Procédé de fabrication d'un projectile explosif de grand calibre et projectile produit avec une telle méthode |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3599570A (en) * | 1969-08-28 | 1971-08-17 | Thiokol Chemical Corp | Ammunition antidefuzing device |
US3978795A (en) * | 1972-07-05 | 1976-09-07 | Dynamit Nobel Aktiengesellschaft | Retaining ring apparatus |
CA1264123A (fr) * | 1981-12-08 | 1990-01-02 | John Stuart Mcveagh | Charge creuse sous enveloppe |
US5133259A (en) * | 1990-05-23 | 1992-07-28 | Olin Corporation | Seal ring for pyrotechnically initiated projectile |
SE468687B (sv) * | 1991-06-18 | 1993-03-01 | Bofors Ab | Saett och anordning foer avtaetning av spraengladdningsutrymmet i en granat |
DE4123649C2 (de) * | 1991-07-17 | 1993-11-11 | Rheinmetall Gmbh | Ausstoßvorrichtung |
FR2682754B1 (fr) * | 1991-10-22 | 1995-03-03 | Giat Ind Sa | Obus cargo. |
SE501121C2 (sv) * | 1992-01-29 | 1994-11-21 | Bofors Ab | Ammunition |
DE19535218C1 (de) * | 1995-09-22 | 1997-02-27 | Diehl Gmbh & Co | Ballistisches Geschoß |
US7025000B1 (en) * | 2002-04-11 | 2006-04-11 | The United States Of America As Represented By The Secretary Of The Army | Mechanism for reducing the vulnerability of high explosive loaded munitions to unplanned thermal stimuli |
-
2003
- 2003-11-17 FR FR0313523A patent/FR2862378B1/fr not_active Expired - Fee Related
-
2004
- 2004-10-20 PL PL04292486T patent/PL1533590T3/pl unknown
- 2004-10-20 DK DK04292486.0T patent/DK1533590T3/da active
- 2004-10-20 ES ES04292486T patent/ES2389652T3/es not_active Expired - Lifetime
- 2004-10-20 EP EP04292486A patent/EP1533590B1/fr not_active Expired - Lifetime
- 2004-10-29 US US10/975,508 patent/US7174834B2/en not_active Expired - Fee Related
- 2004-11-01 AU AU2004226912A patent/AU2004226912B8/en not_active Expired
- 2004-11-04 CA CA2484782A patent/CA2484782C/fr not_active Expired - Lifetime
- 2004-11-04 ZA ZA2004/08928A patent/ZA200408928B/en unknown
- 2004-11-16 NO NO20044980A patent/NO338258B1/no unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365556A (en) * | 1980-10-06 | 1982-12-28 | The United States Of America As Represented By The Secretary Of The Army | Method and system for preventing base separation of cast explosives in projectiles |
US4760795A (en) * | 1985-10-22 | 1988-08-02 | Royal Ordnance Plc | Explosive projectiles |
US4945834A (en) * | 1985-10-22 | 1990-08-07 | Royal Ordnance Plc | Explosive projectiles |
DE3929020A1 (de) * | 1989-09-01 | 1991-03-21 | Diehl Gmbh & Co | Zuender fuer die sprengladung eines splittergeschosses |
EP1338860A2 (fr) * | 2002-02-21 | 2003-08-27 | Rheinmetall W & M GmbH | Procédé de fabrication d'un projectile explosif de grand calibre et projectile produit avec une telle méthode |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2924494A1 (fr) | 2007-12-03 | 2009-06-05 | Nexter Munitions Sa | Procede de dechargement d'un corps de munition et outillage permettant la mise en oeuvre de ce procede |
CN101592462B (zh) * | 2009-07-02 | 2014-04-16 | 蒙宝林 | 工业粉状炸药药筒装药包装工艺及振动式装药机 |
EP3267143B1 (fr) | 2016-07-09 | 2019-03-06 | Diehl Defence GmbH & Co. KG | Projectile |
CN110030884A (zh) * | 2019-04-08 | 2019-07-19 | 南京理工大学 | 一种分体式可快速连接的迫击炮弹及其组装方法 |
CN110030884B (zh) * | 2019-04-08 | 2021-08-03 | 南京理工大学 | 一种分体式可快速连接的迫击炮弹及其组装方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1533590B1 (fr) | 2012-06-20 |
NO338258B1 (no) | 2016-08-08 |
AU2004226912B2 (en) | 2010-01-14 |
US7174834B2 (en) | 2007-02-13 |
ZA200408928B (en) | 2005-08-31 |
NO20044980L (no) | 2005-05-18 |
ES2389652T3 (es) | 2012-10-30 |
FR2862378B1 (fr) | 2007-11-23 |
FR2862378A1 (fr) | 2005-05-20 |
PL1533590T3 (pl) | 2012-11-30 |
CA2484782C (fr) | 2012-10-02 |
CA2484782A1 (fr) | 2005-05-17 |
AU2004226912B8 (en) | 2010-05-06 |
DK1533590T3 (da) | 2012-07-23 |
US20050155512A1 (en) | 2005-07-21 |
AU2004226912A1 (en) | 2005-06-02 |
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